3088c69b5f
The goal is to see how small this can be w/o disrupting CanvasKit. Change-Id: Ia96ebf94dbe335d9db481d9264279163f8c37e16 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/285012 Reviewed-by: Florin Malita <fmalita@chromium.org>
123 lines
3.7 KiB
HTML
123 lines
3.7 KiB
HTML
<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<meta charset="utf-8" />
|
|
<meta http-equiv="X-UA-Compatible" content="IE=edge">
|
|
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
|
<title>SkottieKit Demo</title>
|
|
|
|
<script type="text/javascript" src="/bin/skottiekit.js"></script>
|
|
|
|
<script type="text/javascript" charset="utf-8">
|
|
const bootTime = performance.now();
|
|
const cdn = 'https://storage.googleapis.com/skia-cdn/misc/';
|
|
// loadKit resolves with SkottieKit.
|
|
const loadKit = SkottieKitInit({
|
|
locateFile: (file) => '/bin/'+file,
|
|
}).ready();
|
|
|
|
loadKit.then(() => {
|
|
const n = performance.now();
|
|
console.log(`loaded Kit in ${(n - bootTime).toFixed(2)} ms`)
|
|
});
|
|
|
|
const loadLegoJSON = fetch(cdn + 'lego_loader.json').then((resp) => {
|
|
return resp.text();
|
|
});
|
|
const loadPartyJSON = fetch(cdn + 'confetti.json').then((resp) => {
|
|
return resp.text();
|
|
});
|
|
const loadDrinksJSON = fetch(cdn + 'drinks.json').then((resp) => {
|
|
return resp.text();
|
|
});
|
|
const loadOnboardingJSON = fetch(cdn + 'onboarding.json').then((resp) => {
|
|
return resp.text();
|
|
});
|
|
|
|
|
|
|
|
function SkottieDemo(values, canvasID, width=400, height=400) {
|
|
const [SkottieKit, legoJSON] = values;
|
|
const animation = SkottieKit.MakeManagedAnimation(legoJSON);
|
|
const duration = animation.duration() * 1000;
|
|
const size = animation.size();
|
|
|
|
const bounds = {fLeft: 0, fTop: 0, fRight: width, fBottom: height};
|
|
|
|
const surface = SkottieKit.MakeCanvasSurface(canvasID);
|
|
if (!surface) {
|
|
console.error('Could not make surface');
|
|
return;
|
|
}
|
|
|
|
const firstFrame = Date.now();
|
|
const clearColor = SkottieKit.WHITE;
|
|
|
|
function drawFrame(canvas) {
|
|
const seek = ((Date.now() - firstFrame) / duration) % 1.0;
|
|
const damage = animation.seek(seek);
|
|
|
|
if (damage.fRight > damage.fLeft && damage.fBottom > damage.fTop) {
|
|
canvas.clear(clearColor);
|
|
animation.render(canvas, bounds);
|
|
}
|
|
surface.requestAnimationFrame(drawFrame);
|
|
}
|
|
surface.requestAnimationFrame(drawFrame);
|
|
}
|
|
|
|
const legosAnimating = Promise.all([loadKit, loadLegoJSON]).then((values) => {
|
|
SkottieDemo(values, 'legos', 400, 400);
|
|
});
|
|
const partyAnimating = Promise.all([loadKit, loadPartyJSON]).then((values) => {
|
|
SkottieDemo(values, 'party', 400, 400);
|
|
});
|
|
const drinksAnimating = Promise.all([loadKit, loadDrinksJSON]).then((values) => {
|
|
SkottieDemo(values, 'drinks', 400, 400);
|
|
});
|
|
const onboardingAnimating = Promise.all([loadKit, loadOnboardingJSON]).then((values) => {
|
|
SkottieDemo(values, 'onboarding', 400, 400);
|
|
});
|
|
|
|
Promise.all([legosAnimating, partyAnimating, drinksAnimating, onboardingAnimating]).then(() => {
|
|
const frames = new Float64Array(100);
|
|
let idx = 0;
|
|
let now = performance.now();
|
|
function benchFrame() {
|
|
frames[idx] = performance.now() - now;
|
|
idx++;
|
|
if (idx < frames.length) {
|
|
now = performance.now();
|
|
window.requestAnimationFrame(benchFrame);
|
|
} else {
|
|
let out = '';
|
|
for (const frameTime of frames) {
|
|
out += frameTime.toFixed(2);
|
|
out += '\n';
|
|
}
|
|
console.log(out);
|
|
}
|
|
}
|
|
window.requestAnimationFrame(benchFrame);
|
|
})
|
|
</script>
|
|
|
|
<style>
|
|
canvas {
|
|
border: 1px dashed #AAA;
|
|
width: 400px;
|
|
height: 400px;
|
|
}
|
|
</style>
|
|
|
|
</head>
|
|
<body>
|
|
<h1> SkottieKit</h1>
|
|
|
|
<canvas id=legos width=400 height=400></canvas>
|
|
<canvas id=party width=400 height=400></canvas>
|
|
<canvas id=drinks width=400 height=400></canvas>
|
|
<canvas id=onboarding width=400 height=400></canvas>
|
|
|
|
</body>
|
|
</html> |